24.8.8 Synchronization Busy in COUNT16 mode (CTRLA.MODE=1)

Table 24-27. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
RReadable bitHCCleared by Hardware(Grey cell)Unimplemented
WWritable bitHSSet by HardwareXBit is unknown at Reset
KWrite to clearSSoftware settable bit
Name: SYNCBUSY
Offset: 0x10
Reset: 0x00000000
Property: -

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
     GP3GP2GP1GP0 
Access RRRR 
Reset 0000 
Bit 15141312111098 
 COUNTSYNC      COMP3 
Access RR/W 
Reset 00 
Bit 76543210 
 COMP2COMP1COMP0PERCOUNTFREQCORRENABLESWRST 
Access R/WR/WR/WRRRRR 
Reset 00000000 

Bits 16, 17, 18, 19 – GPn General Purpose n Synchronization Busy Status [n = 3..0]

ValueDescription
0Write synchronization for GPn register is complete.
1Write synchronization for GPn register is ongoing.

Bit 15 – COUNTSYNC Count Read Sync Enable Synchronization Busy Status

ValueDescription
0Write synchronization for CTRLA.COUNTSYNC bit is complete.
1Write synchronization for CTRLA.COUNTSYNC bit is ongoing.

Bits 5, 6, 7, 8 – COMPn Compare n Synchronization Busy Status [n = 3..0]

ValueDescription
0Write synchronization for COMPn register is complete.
1Write synchronization for COMPn register is ongoing.

Bit 4 – PER Period Synchronization Busy Status

ValueDescription
0Write synchronization for PER register is complete.
1Write synchronization for PER register is ongoing.

Bit 3 – COUNT Count Value Synchronization Busy Status

ValueDescription
0Read/write synchronization for COUNT register is complete.
1Read/write synchronization for COUNT register is ongoing.

Bit 2 – FREQCORR Frequency Correction Synchronization Busy Status

ValueDescription
0Write synchronization for FREQCORR register is complete.
1Write synchronization for FREQCORR register is ongoing.

Bit 1 – ENABLE Enable Synchronization Busy Status

ValueDescription
0Write synchronization for CTRLA.ENABLE bit is complete.
1Write synchronization for CTRLA.ENABLE bit is ongoing.

Bit 0 – SWRST Software Reset Synchronization Busy Status

ValueDescription
0Write synchronization for CTRLA.SWRST bit is complete.
1Write synchronization for CTRLA.SWRST bit is ongoing.